If x= -4, find the value of x²-5+6.​

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

I’m confused on how to work the pie charts

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder